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ActiveRecord::DatabaseConnectionError

app/models/notification.rb:33 

There is an issue connecting with your hostname: db.

Please check your database configuration and ensure there is a valid connection to your database.

Backtrace

app/models/notification.rb:33:in 'block in Notification.stats'
app/models/notification.rb:32:in 'Notification.stats'
app/controllers/concerns/main_navigation.rb:213:in 'ApplicationController#notifications_item'
app/controllers/concerns/main_navigation.rb:43:in 'ApplicationController#desktop_secondary_items'
app/controllers/concerns/main_navigation.rb:38:in 'ApplicationController::HelperMethods#desktop_secondary_items'
app/views/layouts/application.html.slim:57:in 'block in _app_views_layouts_application_html_slim__2046368009960573710_13600'
app/components/nav/top/component.rb:14:in 'Nav::Top::Component#root_item'
app/components/nav/top/component.html.slim:7:in 'Nav::Top::Component#call'
app/views/layouts/application.html.slim:55:in '_app_views_layouts_application_html_slim__2046368009960573710_13600'
app/controllers/forecast/home_controller.rb:4:in 'Forecast::HomeController#index'
app/controllers/concerns/auto_locale.rb:14:in 'ApplicationController#switch_locale'

Context

controller 
#<ErrorsController:0x00007cea6bf76278>

Environment

os Linux 6.8.0-106-generic
cwd /app
pid 1
host app.demo.solectrus.de
ruby ruby 4.0.2 (2026-03-17 revision d3da9fec82) +YJIT +PRISM [x86_64-linux-musl]
rails 8.1.3
revision v1.1.1-146-g3527eb5

Server

Load CPU RAM Swap Disk
app.demo.solectrus.de Load avg 5% CPU 5% RAM 74% Swap 79% Disk 14%

Deployments 1

v1.1.1-146-g3527eb5 16 Apr 17:36